MeeGo 1.2 Harmattan Developer Documentation Develop for the Nokia N9

messagehandling.cpp Example File

demos/mobile/qcamera/messagehandling.cpp
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 #include "messagehandling.h"
 #include <QMessageBox>
 #include <QDebug>
 #include <QTimerEvent>
 #include <QTimer>
 #include <QFile>
 #include <QPixmap>
 #include <QImageReader>

 Message::Message(QObject *parent) :
     QObject(parent)
 {
     // QMessageService class provides the interface for requesting messaging service operations
     m_service = new QMessageService(this);
     //QObject::connect(m_service, SIGNAL(stateChanged(QMessageService::State)), this, SLOT(stateChanged(QMessageService::State)));
     QObject::connect(m_service, SIGNAL(messagesFound(const QMessageIdList&)), this, SLOT(messagesFound(const QMessageIdList&)));

     // QMessageManager class represents the main interface for storage and
     // retrieval of messages, folders and accounts in the system message store
     m_manager = new QMessageManager(this);

     QObject::connect(m_manager, SIGNAL(messageAdded(const QMessageId&,const QMessageManager::NotificationFilterIdSet&)),
     this, SLOT(messageAdded(const QMessageId&,const QMessageManager::NotificationFilterIdSet&)));

     // Register MMS in inbox (draft in emulator) folder notificationfilter
 #ifdef Q_OS_SYMBIAN
 #ifdef __WINS__
     m_notifFilterSet.insert(m_manager->registerNotificationFilter(QMessageFilter::byStandardFolder(
         QMessage::DraftsFolder)));
 #else
     m_notifFilterSet.insert(m_manager->registerNotificationFilter(QMessageFilter::byStandardFolder(
         QMessage::InboxFolder)));
 #endif
 #else
     m_notifFilterSet.insert(m_manager->registerNotificationFilter(QMessageFilter::byStandardFolder(
         QMessage::InboxFolder)));
 #endif

 }

 Message::~Message()
 {
 }

 void Message::messageAdded(const QMessageId& id,
     const QMessageManager::NotificationFilterIdSet& matchingFilterIds)
 {
     if (matchingFilterIds.contains(m_notifFilterSet)) {
         processIncomingMMS(id);
     }
 }

 void Message::checkMessages()
 {
 #ifdef Q_OS_SYMBIAN
 #ifdef __WINS__
     QMessageFilter folderFilter(QMessageFilter::byStandardFolder(QMessage::DraftsFolder));
 #else
     QMessageFilter folderFilter(QMessageFilter::byStandardFolder(QMessage::InboxFolder));
 #endif
 #else
     QMessageFilter folderFilter(QMessageFilter::byStandardFolder(QMessage::InboxFolder));
 #endif

     m_service->queryMessages(folderFilter);
     // Message::messagesFound() is called if MMS messages found

 }

 void Message::messagesFound(const QMessageIdList &ids)
 {
     foreach (const QMessageId& id, ids) {
             processIncomingMMS(id);
         }
 }

 void Message::processIncomingMMS(const QMessageId& id)
 {
     QMessage message = m_manager->message(id);

     // Handle only MMS messages
     if (message.type()!=QMessage::Mms)
         return;

     QMessageContentContainerIdList attachments = message.attachmentIds();
     if (!attachments.isEmpty()) {
         QMessageContentContainer messageContent = message.find(attachments[0]);
         if (messageContent.isContentAvailable() && messageContent.contentType() == "image") {

             // Create QPixmap from the message image attachment
             QPixmap pixmap;
             pixmap.loadFromData(messageContent.content());

             QString from = message.from().addressee();
             QString filename = messageContent.suggestedFileName();

             // Emit received MMS message info
             emit messageReceived(from, filename, pixmap);
         }
     }
 }

 bool Message::sendMMS(QString picturePath, QString phoneNumber)
 {
     QString tmpFileName = "c:/System/qcamera_mms.jpg";

     // Create temp image for MMS
     // Delete previous temp image
     QFile previousFile(tmpFileName);
     if (previousFile.exists()) {
         previousFile.remove();
     }
     // Create new temp image
     QImageReader reader;
     reader.setFileName(picturePath);
     QSize imageSize = reader.size();
     imageSize.scale(QSize(300,300), Qt::KeepAspectRatio);
     reader.setScaledSize(imageSize);
     QImage image = reader.read();
     image.save(tmpFileName);

     // Use temp mms image
     picturePath = tmpFileName;

     // Send MMS
     QMessage message;
     message.setType(QMessage::Mms);
     message.setParentAccountId(QMessageAccount::defaultAccount(QMessage::Mms));
     message.setTo(QMessageAddress(QMessageAddress::Phone, phoneNumber));

     QStringList paths;
     paths << picturePath;
     message.appendAttachments(paths);

     return m_service->send(message);
 }

 void Message::stateChanged(QMessageService::State s)
 {
     emit messageStateChanged(s);
 }